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Bess [88]
3 years ago
5

Math

7)" alt="(2a + 3) + (3a - 7)" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
aleksklad [387]3 years ago
6 0
2a+3+3a-7 - remove and make one equation
5a-4 ~have to combine like terms (2a+3a) (3-7)
Answer: 5a-4
Yuki888 [10]3 years ago
3 0

Answer:

5a -4

Step-by-step explanation:

Given

(2a + 3) + (3a - 7) ← remove parenthesis

= 2a + 3 + 3a - 7 ← collect like terms

= (2a + 3a) + (3 - 7)

= 5a + (- 4)

= 5a - 4

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VladimirAG [237]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Determine the solution to the system of equations:
Morgarella [4.7K]
  x - 3y = 1   ⇒ 3x - 9y = 3
3x - 5y = 11 ⇒ 3x + 5y = 11
                             -14y = -8
                              -14    -14
                                   y = ⁴/₇
                            x - 3y = 1
                           ⁴/₇ - 3y = 1
                         - ⁴/₇        - ⁴/₇
                                -3y = ³/₇
                                 -3     -3
                                   y = ⁻¹/₇
                             (x, y) = (⁴/₇, ⁻¹/₇)
6 0
3 years ago
What is the value of x in parallelogram QRST?<br><br> 16<br> 12<br> 8 <br> 4
Wewaii [24]
This is parallelogram so
8=2x
X=4
Or
3x=12
So again we will find x=4
3 0
3 years ago
An open-topped glass aquarium with a square base is designed to hold 444 cubic feet of water. What is the minimum exterior surfa
In-s [12.5K]

Answer:

291.05ft²

Step-by-step explanation:

Volume of the aquarium = L³

L is the length of one side of the aquarium

444 = L³

L = cuberoot[444]

L= 7.63ft

Since the glass aquarium is opened at the top

Total surface Area = 5L²

Total surface Area = 5(7.63)²

Total surface Area = 291.05ft²

Hence the minimum exterior surface area of the aquarium is 291.05ft²

8 0
3 years ago
Can someone please help me with this algebra
Novay_Z [31]

Answer: d

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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